User`s manual

U.S. Robotics I-modem Command Reference
Appendix A: Alphabetic Command Summary • Page A-16
&H2 Use software ßow control. Requires that your software support XON/
XOFF signaling.
&H3 Use both hardware and software ßow control. If you are unsure about what
your equipment supports, select this option.
&In Received data software ßow (XON/OFF) control.
&I0 Disables XON/XOFF ßow control of received data.
&I1 The I-modem acts on your typed XON/XOFF commands, Ctrl-S or Ctrl-Q,
and passes them to the remote device.
&I2 The I-modem acts on your XON/XOFF commands, but removes them from
the data stream instead of passing them to the remote device. This is the
recommended setting for ARQ mode.
&I3 Hewlett Packard-Host mode. Applies only to I-modems attached to an HP
mainframe that uses the ENQ/ACK proto-col. Use in ARQ mode only.